Stop a process from running, either via a signal or forced termination.
Syntax kill [-s signal_name] pid ... kill -signal_name pid ... kill -signal_number pid ... kill -l [exit_status] Options -s signal_name A symbolic signal name specifying the signal to be sent instead of the default TERM. -signal_name A symbolic signal name specifying the signal to be sent instead of the default TERM. -signal_number A non-negative decimal integer, specifying the signal to be sent instead of the default TERM. -l [exit_status] If no operand is given, list the signal names; otherwise, write the signal name corresponding to exit_status. The following pids have special meanings: -1 If superuser, broadcast the signal to all processes; otherwise broadcast to all processes belonging to the user. Some of the more commonly used signals: 1 HUP (hang up) 2 INT (interrupt) 3 QUIT (quit) 6 ABRT (abort) 9 KILL (non-catchable, non-ignorable kill) 14 ALRM (alarm clock) 15 TERM (software termination signal) Some shells may provide a builtin kill command which is similar or iden- tical to this utility. Consult the builtin(1) manual page.
The kill utility sends a signal to the processes specified by the pid operand(s). Only the super-user may send signals to other users' processes.
EXAMPLES List the running process $ ps PID TTY TIME CMD 1293 pts/5 00:00:00 MyProgram Then Kill it $ kill 1293 + Terminated MyProgram Or to really really Kill it $ kill -9 1293 To close an application you can also send an applescript quit command: $ osascript -e 'quit app "safari.app"'
"Whom the gods love dies young" - Menander 300 BC
ps - List running processes (returns PID)
killall - Kill all processes
lsof - List open files
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